Ajstd charles w



(No Model.)

W; S SMITH 82; G. W; CLIFT SAND PUMP.

Patented Aug. 4, 1885.

Wzlwsea Jog Jinn fit 02ml, 74 644% Z flmsm/ UNITED STATES PATENT Caries,

\VILLIAM SOOY SMITH, OF CHICAGO, ILLINOIS, AND CHARLES XV. CLIFT,

' OF ROCKVILLE CENTRE, NPYW YORK.

SAND-PUMP.

SPECIFICATION forming part of Letters Patent No. 323,458, dated August 4:, 1885.

Application filed June 5, 1884. (No model.)

To all whom, it may concern: vided with a polygonal flange, c, to permit citizen of the United States, residing at Rockbe regulated, and at the same time the ville Centre, in the county of Queens and amount and velocity of the fluid orsubstances Stateof New York, have invented certain new passing through the device can be regulated. and useful Improvements in SandiPumps, of The suctionpipe B is also screwed into the IQ which the following is a specification, referbody A, and its inner end is provided with ence being bad therein to the accompanying an outwardly-tapering nozzle, B, preferably drawing, which represents a longitudinal secmade of steel or of chilled iron, and adapted tion of the device constructed in accordance to be brought close to or at a very short diswith our invention. Y tance from the throat-piece D. After having 15 Our invention relates to improvements in brought the pipe B'in proper adjustment, it

sandpumps in which a current of water unis retained in position by means of a checkder heavy pressure is used as the medium nut, B placed upon said pipe, and made to to elevate and force the sand or material to abut against one end of the body A. be excavated through pipes 10 any desired By the construction above stated, it will 20 point; and the objects of our improvements be seen that a very simple device is proare, first, to provide a simple and inexpenduced, that is peculiarly well adapted for resive device to direct the operating-current moving semi'fiuid or sandy substances from of water uniformly all around the edge of the the bottom of rivers, in excavating to lay nozzle of the sandcarrying pipe; second, the foundation of walls, piers, &c., the semi- 25 to provide the device with aremovablethroaa spherical deflect-or A directing a current of piece, and adapt it to function properly uir water under pressure all around the end of dcr different circumstances; and, third, to pro the nozzle B against the sandy or semi-fluid vide the throat-piece of yielding and comsubstances broughtwithin the throat D by pressible material, so that the size of its inthe suction-pipe B.

o ternal passage can be regulated without taking If the throat is contracted (within certain Be it known that we, WILLIAM SooY SMITH, a citizen of the United States, residing at Chicago, in the county of Cook and State of lllinois, and CHARLES W. CLIFT, a

the device apart. Ve accomplish these objccts by the device illustrated in the accompanying drawing, in whicl1- A represents a substantially spherical body, of cast-iron, made hollow and provided with an opening, A, at one end to receive a snetion-pipe, B, an opening, A at the opposite end to receive the end of a pipe, C, through which the discharge is made, and one or more openings, A, through the side of the body A, to bring a current of water from a pressure-pump or from a great elevation. To conduct said current of water uniformly around and past the inner end of the it to be rotated and be more or less screwed into the body A against the outer end of the throat-piece D, and by this means the size of the passage through said throatpiece can limits) the velocity and amount of material 9 5 passing therethrough will be retained without materially wearing its yielding surface.

Having now fully described our invention, we elai1n The combination of a water-receiver hzv- 0 ing a semi-spherical deflector thereon, a suction -pipe entering said receiver at one end, a discharge pipe at the other end, and a compressible throat-piece between said pipes, substantially as and for the purpose described,

In testimony whereof we aflix our signatures in presence of two witnesses.

5 suction-pipe, the interior of the body Ais pro- W'M. SCOY SMITH.

vided with a conical or semi-spherical de- CHAS. W. CLIFT. ilector, A, forming a part of said body at the Witnesses as to signature of m. Sooy discharge end thereof. Smith:

\Vithin the discharge-passage is placed a ROBERT F. PETTIBONE, 5o removable throat-piece, D, preferably of soft IRA XV. PETTIBONE.

compressible vulcanized rubber. This throatpiece is retained in position between the shoulder a at the inner end of the dischargepassage and the pipe C. The latter is pro- W'itnesses as to signature of Chas. \V,

Clift:

J. V. MERQER, SAMUEL D. Motr'r, 

